学个词 Learn a Word-VOA英语教学 2501 preemptive strike（在线收听）

今天我们要学的词是 preemptive strike. Preemptive strike 先发制人，主动出击。North Korea threatened to launch a preemptive strike in response to the joint U.S-South Korea annual military exercises. 美国和韩国举行年度军事演习，朝鲜威胁说要采取行动，先发制人。New Jersey health officials have launched a preemptive strike against the Zika virus by distributing information through social media, radio and print advertisements. 新泽西州卫生官员通过社交媒体，电台和印刷宣传，散发关于寨卡病毒的信息，主动出击防范。好的，我们今天学习的词是 preemptive strike, preemptive strike, preemptive strike...